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ESP-01 (esp8266): high-resolution pinout and specs

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The ESP-01 module is a compact and cost-effective Wi-Fi module based on the ESP8266 chipset. It is a highly integrated chip designed for the needs of a new connected world.

Link to the high resolution image

Here my selection of devices WeMos D1 mini - NodeMCU V2 V2.1 V3 - esp01 - esp01 programmer

The module allows you to connect your microcontroller projects to a Wi-Fi network, making it ideal for IoT (Internet of Things) applications. With its small form factor and simple pinout, the ESP-01 is a convenient choice for adding wireless connectivity with minimal hassle.

Specs

Pinout description

How To

esp8266 Tutorial

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  7. Firmware and OTA update management
    1. Firmware management
      1. esp8266: flash firmware binary (.bin) compiled and signed
      2. esp8266: flash firmware and filesystem binary (.bin) compiled with GUI tools
    2. OTA update with Arduino IDE
      1. esp8266 OTA update with Arduino IDE: filesystem, signed and password
    3. OTA update with Web Browser
      1. esp8266 OTA update with Web Browser: firmware, filesystem and authentication
      2. esp8266 OTA update with Web Browser: sign the firmware and HTTPS (SSL/TLS)
      3. esp8266 OTA update with Web Browser: custom web interface
    4. Self OTA uptate from HTTP server
      1. esp8266 self OTA update firmware from server
      2. esp8266 self OTA update firmware from server with version check
      3. esp8266 self OTA update in HTTPS (SSL/TLS) with trusted self signed certificate
    5. Non standard Firmware update
      1. esp8266 firmware and filesystem update from SD card
      2. esp8266 firmware and filesystem update with FTP client
  8. esp32 and esp8266: FAT filesystem on external SPI flash memory
  9. i2c esp8266: how to, network 5v, 3.3v, speed, and custom pins
  10. […]

Datasheet

ESP-01 Product specification

ESP-01 Datasheet

ESP8266EX Datasheet

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